Review Zone

PCI Express Specifications and ECRs for Review
PCI-SIG members can influence PCI technology development by submitting engineering change requests (ECRs) as well as reviewing and commenting on draft specifications, ECRs and engineering change notices (ECNs). Members should check the Review Zone regularly for new postings.

Specification and ECRs currently under review are listed below. PLEASE NOTE: THESE ARE DRAFT SPECIFICATIONS ONLY AND, AS SUCH, IS SUBJECT TO FURTHER REVISION AND REVIEW WITHOUT NOTICE. THESE DRAFT SPECIFICATIONS ARE PROVIDED TO YOU FOR REVIEW PURPOSES ONLY AND SHOULD NOT BE RELIED UPON FOR DESIGN OR MANUFACTURING PURPOSES. For a list of documents with completed review cycles, visit the PCI Express Review Archive

Additional information on the ECR/ECN process can be found in the Procedures Center.

Documents for Review
Submit review feedback on all documents below to administration@pcisig.com by the designated review period deadline.

PCI Express Architecture Link Layer and Transaction Layer Test Specification Revision 4.0, Version 0.9

The review period for the PCI Express Architecture Link Layer and Transaction Layer Test Specification Revision 4.0, Version 0.9 will end at 5 p.m. (PT) on Friday, May 17, 2019. Any feedback should be sent to administration@pcisig.com.

OCuLink Memory Map Correction ECR

The review period for the OCuLink Memory Map Correction ECR will end at 5 p.m. (PT) on Tuesday, April 16, 2019. Any feedback should be sent to administration@pcisig.com.

ACS Enhanced Capability ECR

The review period for the ACS Enhanced Capability ECR will end at 5 p.m. (PT) on Tuesday, April 16, 2019. Any feedback should be sent to administration@pcisig.com.

M.2 Voltage Indication for PCIe BGA SSD 16x20 ECR

The review period for the M.2 Voltage Indication for PCIe BGA SSD 16x20 ECR will end at 5 p.m. (PT) on Monday, March 25, 2019. Any feedback should be sent to administration@pcisig.com.

M.2 8GT/s Compliance ECR ​

The review period for the M.2 8GT/s Compliance ECR will end at 5 p.m. (PT) on Monday, March 25, 2019. Any feedback should be sent to administration@pcisig.com.

PCI Express Card Electromechanical Specification Revision 4.0, Version 0.9

The review period for the PCI Express Card Electromechanical Specification Revision 4.0, Version 0.9 will end at 5 p.m. (PT) on Monday, March 25, 2019. Any feedback should be sent to administration@pcisig.com.

PCI Express Retimer Test Specification Revision 4.0, Version 0.5​

The review period for the PCI Express Retimer Test Specification Revision 4.0, Version 0.5 will end at 5 p.m. (PT) on Monday, March 18, 2019. Any feedback should be sent to administration@pcisig.com.